DLS Reference series Specifications

How to install andoperate the DLSReference seriescar audio amplifiersRA20 & RA40.Welcome!This owners manual is written in easy english anduses a l

NOISE PROBLEMSWHINING NOISE VARYING WITH ENGINEREVOLUTIONS:Do this:1. Rewire the power supply (12 V) to sourceunit direct from battery.2. Rewire groun

SpecificationsWe follow a policy of continuous advancement indevelopment.For this reason all or part of specifications & designsmay be changed wit

DLS Svenska ABP.O. Box 13029SE-40251 Göteborg, SwedenTel: +46 31 840060Fax: +46 31 844021E-mail: [email protected]

All models include RCA inputs High Level input Continuos variable low pass and/or high-pass crossovers Grand bass feature 0 - +18 dB Phase shift

Tools and material neededTools: Flat and Phillips screwdrivers Wire cutter Wire stripper Electric drill with drills Crimping

WiringPower and OutputsGround Terminal ( GND )Remote terminal ( REM )Use only two 25 ampere ATCblade type fuses.4Power terminal ( +12V)Connect the fus

Low level inputUse a pair of shielded stereo audio cables with RCAtype jack. Most trunk-mount amplifiers need a 20feet RCA cable ( appr 5 – 6 meters).

CrossoversInput Level controlThe input level control, 7V – 0,2 V,matches the output of your radio tothe input of the amplifier. After instal-lation is

Two fullrange speakersconnected in stereomodeOne subwoofer connected in mono bridgemodeThe HP-filter is here used assubsonic filter to take awaythe ve

8Two fullrange speakers and one subwoofer toRA40 Rear or front speakers Rear subwooferFilter settings channel 3 & 4With the HP-filter i

9TestingBefore you finish the installation, you should do thefollowing tests to make sure the wiring is correct andeverything is operating properly.Re